PIR (Polyisocyanurate) Insulation

Manufactured by Celotex, Kingspan and Recticel.

PIR, or Polyisocyanurate, insulation boards are rigid foam boards faced with aluminium foil, glass tissue, plasterboard and/or plywood and can be used in numerous applicaitons within the building envelope.

Thermal values range from 0.022 W/mK to 0.026 W/mK depending on the product and its application.


PIR insulation products

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Celotex TB4000

Celotex TB4000 'Thermal Bridging', a rigid PIR foam insulation board with low emissivity foil on both faces, is suitable for the following applications: thermal bridging in pitched and flat roofs, solid masonry and framed wall systems, and floors.

Available in thicknesses from 20mm - 40mm.

Has a Thermal Conductivity of 0.022 W/mK, a compressive strength of 120kPa and a Vapour Resistance that typically exceeds 150 MNs/gm.

View our Celotex TB4000 page for further details and prices on the product

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Celotex GA4000

Celotex GA4000 'General Application', a rigid PIR foam insulation board with low emissivity foil on both faces, is suitable for the following applications: pitched and flat roofs, solid masonry and framed wall systems, and floors.

Available in thicknesses from 50mm - 100mm.

Has a Thermal Conductivity of 0.022 W/mK, a compressive strength of 140kPa and a Vapour Resistance that typically exceeds 150 MNs/gm.

View our Celotex GA4000 page for further details and prices on the product

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Celotex XR4000

Celotex XR4000 'Extra Resistance', a rigid PIR foam insulation board with low emissivity foil on both faces, is suitable for the following applications: pitched roofs, flat roofs, solid masonry walls, timber and steel framed systems, and floors.

Available in thicknesses from 110mm - 200mm.

Has a Thermal Conductivity of 0.022 W/mK, a compressive strength of 140kPa and a Vapour Resistance that typically exceeds 150 MNs/gm.

View our Celotex XR4000 page for further details and prices on the product

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Celotex CW4000

Celotex CW4000 'Cavity Wall', a rigid PIR foam insulation board with low emissivity foil on both faces, is suitable for the following applications: partial fill cavity between the outer leaf and inner block with a 50mm residual cavity.

Available in thicknesses from 40mm - 100mm.

Has a Thermal Conductivity of 0.022 W/mK, a compressive strength of 120kPa and a Vapour Resistance that typically exceeds 150 MNs/gm.

View our Celotex CW4000 page for further details and prices on the product

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Celotex PL4000

Celotex PL4000 'Plasterboard Laminate', a rigid PIR foam insulation board with a 12.5mm tapered edge plasterboard on the front face and a composite aluminium foil/kraft paper on the back face, is suitable for the following applications: dot and dab or mechanically fixed dry lining direct to masonry and timber or steel frame walls and the underside of rafters or joists.

Available in thicknesses from 37.5mm - 77.5mm.

Has a Thermal Conductivity of 0.022 W/mK (0.19 W/mK for the plasterboard) and a compressive strength of 120kPa.

View our Celotex PL4000 page for further details and prices on the product

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Celotex Thermaclass Cavity Wall 21

Celotex Thermaclass Cavity Wall 21, a rigid PIR foam insulation board with low emissivity foil on both faces, is suitable for the following applications: cavity wall applications with up to a 10mm residual cavity or full fill cavity applications with no residual cavity.

Available in thicknesses from 90mm - 140mm

Has a Thermal Conductivity of 0.021 W/mK, a compressive strength of 120kPa and a Vapour Resistance that typically exceeds 300 MNs/gm.

View our Celotex Thermaclass 21 page for further details and prices on the product

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Kingspan Thermapitch TP10

Kingspan Thermapitch TP10, a rigid PIR foam insulation board with low emissivity composite foil on both faces, is suitable for the following applications: pitched roof above, between, or below the rafters as well as dwarf walls and loft floors.

Available in thicknesses from 25mm - 165mm.

Has a Thermal Conductivity of 0.022 W/mK, a compressive strength of 140kPa and a Vapour Restistance that typically exceeds 100 MNs/gm.

View our Kingspan Thermapitch TP10 page for further details and prices on the product

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Kingspan Thermafloor TF70

Kingspan Thermafloor TF70, a rigid PIR foam insulation board with low emissivity composite foil on both faces, is suitable for the following applications: beam and dense block floors, between floor joists, suspended timber ground floors, between and under floor joists, beam and block floors, concrete based ground floors, and floating ground floors.

Available in thicknesses from 25mm - 165mm.

Has a Thermal Conductivity of 0.022 W/mK, a compressive strength of 140kPa and a Vapour Restistance that typically exceeds 100 MNs/gm.

View our Kingspan Thermafloor TF70 page for further details and prices on the product

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Kingspan Thermawall TW55

Kingspan Thermawall TW55, a rigid PIR foam insulation board with low emissivity composite foil on both faces, is suitable for the following applications: timber framing systems, timber sheathing systems, and metal framing sysems.

Available in thicknesses from 25mm - 165mm.

Has a Thermal Conductivity of 0.022 W/mK, a compressive strength of 140kPa and a Vapour Restistance that typically exceeds 100 MNs/gm.

View our Kingspan Thermawall TW55 page for further details and prices on the product

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Kingspan Thermaroof TR24

Kingspan Thermaroof TR24, a rigid PIR foam insulation board with bitumen coated glass tissue finished with a thermofusible polypropylene fleece on the upper facing while the lower face is a mineralised glass tissue, is suitable for the following applications: flat roofs waterproofed with most torch on applied waterproofing applications.

Available in thicknesses from 25mm - 150mm.

Has a Thermal Conductivity ranging from 0.026 - 0.024 W/mK, a compressive strength of 150kPa and a Vapour Restistance that typically exceeds 300 MNs/gm.

View our Kingspan Thermaroof TR24 page for further details and prices on the product

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Kingspan Thermaroof TR26

Kingspan Thermaroof TR26, a rigid PIR foam insulation board with low emissivity foil on both faces, is suitable for the following applications: mechanically fixed waterproofing membranes on concrete, timber, and metal deck as well as green roof systems.

Available in thicknesses from 25mm - 150mm.

Has a Thermal Conductivity of 0.022 W/mK, a compressive strength of 150kPa and a Vapour Restistance that typically exceeds 100 MNs/gm.

View our Kingspan Thermaroof TR26 page for further details and prices on the product

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Kingspan Thermaroof TR27

Kingspan Thermaroof TR27, a rigid PIR foam insulation board with low emissivity foil on both faces, is suitable for the following applications: fully adhered single-ply, bonded built-up felt, mastic asphalt, and cold liquid applied waterproofing membranes.

Available in thicknesses from 25mm - 150mm.

Has a Thermal Conductivity ranging from 0.026 - 0.024 W/mK depending on thickness, a compressive strength of 150kPa and a Vapour Restistance that typically exceeds 300 MNs/gm.

View our Kingspan Thermaroof TR27 page for further details and prices on the product

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Recticel Eurothane GP

Recticel Eurothane GP, a rigid PIR foam insulation board with a gas tight multilayer composite aluminium foil on both faces, is suitable for the following applications: pitched and flat roofs, solid masonry and framed wall systems, and floors.

Available in thicknesses from 25mm - 150mm.

Has a Thermal Conductivity of 0.022 W/mK, a compressive strength of ≥ 140kPa and a Vapour Resistance that typically exceeds 100 MNs/gm.

View our Recticel Eurothane GP page for further details and prices on the product

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Recticel Eurowall Cavity Plus

Recticel Eurowall Cavity Plus, a rigid tongue & groove PIR foam insulation board with a low emissivity multilayer aluminium foil (with grid markings) on the outer facing while the inner face is a grey alkali resistant composite foil, is suitable for use in full fill cavity walls with a nominal residual cavity of 10mm.

Available in thicknesses from 90 - 140mm.

Has a Thermal Conductivity between 0.022 W/mK, a compressive strength of 100kPa and a Vapour Resistance that typically exceeds 100 MNs/gm.

View our Recticel Eurowall Cavity Plus page for further details and prices on the product

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Warmline PIR Laminate

Warmline PIR Laminate, a rigid PIR foam insulation board with a tapered edge plasterboard on the front face and craft paper or composite aluminium foil on the hidden face*, is suitable for the following applications: dot and dab or mechanically fixed dry lining direct to masonry and timber or steel frame walls and the underside of rafters or joists.

* 29.5mm - 62.5mm have craft paper while 72.5mm - 92.5mm have aluminium foil on the hidden face

Available in thicknesses from 29.5mm - 92.5mm.

View our Warmline PIR Laminate page for further details and prices on the product

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Warmline PIR Ply Laminate

Warmline PIR Ply Laminate, a rigid PIR foam insulation board with 6mm ply wood sheet on the front face and aluminium foil on the hidden face, is suitable for the following applications: flat roof decking waterproofed with mechanically fixed, bonded or torch-on membrane systems.

Available in thicknesses from 96mm - 136mm..

View our Warmline PIR Ply Laminate page for further details and prices on the product

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